PL3744629T3 - FEEDBACK DEVICE WITH OFF-AXIAL POSITION MARKS - Google Patents

FEEDBACK DEVICE WITH OFF-AXIAL POSITION MARKS

Info

Publication number
PL3744629T3
PL3744629T3 PL20175930.5T PL20175930T PL3744629T3 PL 3744629 T3 PL3744629 T3 PL 3744629T3 PL 20175930 T PL20175930 T PL 20175930T PL 3744629 T3 PL3744629 T3 PL 3744629T3
Authority
PL
Poland
Prior art keywords
axial position
feedback device
position marks
marks
feedback
Prior art date
Application number
PL20175930.5T
Other languages
Polish (pl)
Inventor
Sean DURAND
Richard Kudrna
Ian Farrell
Original Assignee
Pratt & Whitney Canada Corp.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pratt & Whitney Canada Corp. filed Critical Pratt & Whitney Canada Corp.
Publication of PL3744629T3 publication Critical patent/PL3744629T3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/301—Blade pitch-changing mechanisms characterised by blade position indicating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
PL20175930.5T 2019-05-31 2020-05-21 FEEDBACK DEVICE WITH OFF-AXIAL POSITION MARKS PL3744629T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962854995P 2019-05-31 2019-05-31
US16/739,044 US11333020B2 (en) 2019-05-31 2020-01-09 Feedback device with non-axially aligned position markers

Publications (1)

Publication Number Publication Date
PL3744629T3 true PL3744629T3 (en) 2023-09-25

Family

ID=70802756

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20175930.5T PL3744629T3 (en) 2019-05-31 2020-05-21 FEEDBACK DEVICE WITH OFF-AXIAL POSITION MARKS

Country Status (3)

Country Link
US (1) US11333020B2 (en)
EP (1) EP3744629B1 (en)
PL (1) PL3744629T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112697438B (en) * 2020-12-23 2023-04-14 南京航空航天大学 Device and method for measuring pitch-phase angle-speed of turboprop engine based on sound wheel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2539679A1 (en) 1983-01-20 1984-07-27 Renault Vehicules Ind DEVICE FOR DETECTING THE UNDERFLANKING OF A TIRE AND MEASURING THE KINETIC CONDITION OF THE WHEEL OF A VEHICLE AND OF THE VEHICLE
US5248938A (en) * 1991-05-24 1993-09-28 Asmo Co., Ltd. Inductance type rotational position sensor including a magnetic core having fixed and movable short rings
FR2753660B1 (en) 1996-09-25 1999-03-05 FRICTION CLUTCH WITH ELECTROMECHANICAL ACTUATOR, ESPECIALLY FOR A MOTOR VEHICLE
GB2465575A (en) 2008-11-21 2010-05-26 Rolls Royce Plc Displacement measurement / rotor blade pitch measurement arrangement
US9821901B2 (en) 2013-11-21 2017-11-21 Pratt & Whitney Canada Corp. System and method for electronic propeller blade angle position feedback
US10435140B2 (en) 2016-08-17 2019-10-08 Pratt & Whitney Canada Corp. System and method for electronic propeller blade angle position feedback with angled pairs of teeth
US10486827B2 (en) 2016-08-17 2019-11-26 Pratt & Whitney Canada Corp. Apparatus and methods for aircraft propeller control
US10889367B2 (en) 2017-04-24 2021-01-12 Pratt & Whitney Canada Corp. Feedback system for pitch-adjustable blades of aircraft bladed rotor

Also Published As

Publication number Publication date
US11333020B2 (en) 2022-05-17
EP3744629B1 (en) 2023-05-17
US20200378259A1 (en) 2020-12-03
EP3744629A1 (en) 2020-12-02

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